Hello, I have a legitimate perpetual SketchUp Pro 2019 Classic Single-User license, originally purchased from an authorized Polish SketchUp reseller ProGrupa. I still have the original license document with my Serial Number and Authorization Code. I am trying to activate SketchUp Pro 2019 on a new…

Your 2019 license is activated on three computers, that may be why problems are happening. Normally you would solve that by trying to remove the license from an older computer. In your case though, you have a 2021 license available. If you don’t mind using 2021 instead of 2019, you could do that ins…

[image] joanna.turlowicz: I noticed another recent forum thread where a user had a very similar issue with a SketchUp Classic license and a SketchUp team member was able to check the license details privately. that would be @colin He’ll be around. the fact that it doesn’t allow you to activ…

[Zrzut ekranu 2026-10-06 091739] This is how my classic license starting window looks like while online, there is no option to fill in with my license number

That’s a web browser based screen that is not loading properly I would guess you’ve got something blocking it. I’d turn my attention to any anti-virus / VPN/ Ad blockers/security packages you are using. Beyond them blocking the traffic, SketchUp 2019 , now has various security vulnerabilities and…

Thank you. I have done some more testing. I completely uninstalled Norton, tried a different internet connection using a mobile hotspot, and I have now also updated SketchUp from 19.2.222 to the final SketchUp 2019 version, 19.3.253. Unfortunately, nothing has changed. With an internet connection,…

Dezmo, on the other thread, might have a point [image] Classic licensse 2018 pro Pro In the last two days, three topics have been opened regarding this same issue with the older Classic versions like 2018, 2019, 2020. I assume there is a temporary issue with …

Oh, it might be the annual maintenance… :thinking: [clean_it]

I logged out from my other accounts and also I was opening the program while not logged in and it was still not showing the activation options, so I really didn’t know what else I can do. Thank you for sending the 2021 license - it works well. Thanks a lot for helping

Hi @colin I am experiencing almost exactly the same issue with my SketchUp Pro 2019.3 Classic Perpetual License. I have 2 perpetual license, but when I click Add Classic License, the activation window appears completely blank, and I am unable to enter my Serial Number and Authorization Code. I wo…

Sketchup Pro 2019 Classic License - Add License button does nothing on a new computer

Technical Problems

ateliernab October 6, 2026, 12:17pm 7

Dezmo, on the other thread, might have a point

several similar issues in a few days, it could be related. did someone unplug the wrong machine at trimble’s HQ ?

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Sketchup Pro 2019 Classic License - Add License button does nothing on a new computer

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